Vacuum cleaner base portion



FIG. 1 is a front perspective view of a vacuum cleaner base portion showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a front perspective view of a second embodiment thereof;

FIG. 8 is a front view of FIG. 7; and,

FIG. 9 is a top view of FIG. 7.

The undisclosed rear, left and right side views of the second embodiment are the same as FIGS. 3-5. The details shown in broken lines form no part of the claimed design. 

The ornamental design for a vacuum cleaner base portion, as shown and described. 